Physical activity improves strength, balance and endurance in adults aged 40-65 years: a systematic review.

Question: Can physical activity in adults aged 40-65 years enhance strength and balance and prevent falls?

Design: Systematic review with meta-analysis of randomised clinical trials.

Participants: Healthy adults aged 40-65 years.

Intervention: Programs that involved the performance of any physical activity in community settings and workplaces.